A police car sits outside the Willowbrook home where cops say a man stabbed his wife Sunday morning before fleeing to the Verrazano-Narrows Bridge, where he jumped to his death. Staten Island Advance/Virginia N. Sherry

Ana Helfer, 51, was stabbed twice during the Sunday morning incident in her Willowbrook home.

Around 8:36 a.m., police received a 911 call of a stabbing at 70 Croft Place. Once there, police discovered Mrs. Helfer in bed with stab wounds to her torso, according to law enforcement sources.

Three children, ages 9, 14 and 15, were inside the home when police arrived, authorities said, and one of the children made the initial 911 call. None of the children were injured, police said.

The husband then fled the home driving the same 2013 gray Hyundai Genesis that Triborough Bridge and Tunnel Authority Police officefrs found unoccupied on the Verrazano-Narrows Bridge later that hour, cops said.

Her husband -- who's identified law enforcement sources as Brian Helfer, 47 -- was a former city bus driver, according to Metropolitan Transportation Authority officials.

Helfer worked as a bus operator for two years, before retiring on disability in September 2012, MTA spokesman Kevin Ortiz said.